社区共享资源合作供给的信任博弈模型

本文将社区互动结构简化为3种类型，以个体信任的建立和预期的形成为切入点，构造跨期信任博弈模型，讨论影响社区成员共享资源合作供给“共识”形成的有关因素。分析表明，在成员相对固定的社区，通过提高合作供给的预期收益、提升成员的主观贴现因子、降低合作供给的成本，能够形成合作供给习俗；而在成员流动性较大的社区，则需要建立有声誉的组织来发起和维系共享资源的合作供给。

A Trust Game Model on Cooperative Supply of Common Pool Resource in Community

This paper simplifies the interaction structure of community as three patterns,and constructs the overtime trust game model,and discusses the factors influencing the creation of common knowledge from the perspective of individual trust and perception.It points out that,in the community of which members are respectively stable,the prisoner’s dilemma of cooperative supply will be cast off through enhancing the payoff of the cooperative supply,and upgrading the subjective discount factor as well as reducing the cost of the cooperative supply. While in the community of which members are respectively unstable,it is necessary for people to establish the organization in order to initiate and maintain the cooperative supply of CPR.